A Do it yourself mould game, of wisdom, intelligence, patience, freedom of the element. To assemble the whole mould and watching the steel-balls running throught the double loops is a very happy thing.
Spacerail is suit-toy which could be assembled freedom with its base, shaft and rail. The steel ball could run on the two lines sometimes snail and sometimes scour, it is for adult playing indoor.

How to play:

After assembling and installing, it will take a little time to adjust the corner of rail.

It will bring the meaning and excitement of the Spacerail to you although it's just for playing indoor.